FR531423A - - Google Patents
Info
- Publication number
- FR531423A FR531423A FR531423DA FR531423A FR 531423 A FR531423 A FR 531423A FR 531423D A FR531423D A FR 531423DA FR 531423 A FR531423 A FR 531423A
- Authority
- FR
- France
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B49/00—Measuring or gauging equipment on boring machines for positioning or guiding the drill; Devices for indicating failure of drills during boring; Centering devices for holes to be bored
- B23B49/04—Devices for boring or drilling centre holes in workpieces
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR531423A true FR531423A (enExample) | 1922-01-12 |
Family
ID=1536994
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR531423D Expired FR531423A (enExample) |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR531423A (enExample) |
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0
- FR FR531423D patent/FR531423A/fr not_active Expired